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Nautilus

<p>Brian Gallagher is an associate editor at <i>Nautilus</i>. Follow him on X (formerly known as Twitter) <a href="https://twitter.com/bsgallagher/" rel="noopener">@bsgallagher</a>.</p>


Brian Gallagher

Philosophy

This Simple Philosophical Puzzle Shows How Difficult It Is to Know Something

theory of knowledge